The term complete kidney failure is commonly used to describe a situation in which the kidneys have lost most of their ability to perform their essential functions.

Medically, kidney failure is generally defined as kidney function falling below about 15% of normal, although the clinical condition of the patient is more important than using the word “complete” literally.

The kidneys normally:

• Remove waste products from the blood

• Eliminate excess water through urine

• Help regulate sodium and potassium

• Maintain acid-base balance

• Contribute to blood-pressure regulation

• Produce hormones involved in red blood-cell production

• Help maintain bone and mineral health

When kidney function becomes severely impaired, waste products, fluid and electrolyte abnormalities can accumulate.

This can eventually produce symptoms and complications requiring kidney replacement therapy, such as dialysis or kidney transplantation.

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, super specialist nephrologist and transplant physician, provides specialist evaluation and treatment planning for advanced kidney disease and kidney failure.

Is Complete Kidney Failure the Same as Stage 5 Kidney Disease?

Kidney failure corresponds to the most severe level of chronic kidney dysfunction, commonly referred to as CKD stage 5 when it is due to chronic kidney disease.

An eGFR below 15 mL/min/1.73 m² is considered the kidney-failure range. However, an eGFR number alone does not tell the entire clinical story.

Doctors also consider:

• Symptoms

• Potassium levels

• Acid-base balance

• Fluid accumulation

• Nutritional status

• Blood pressure

• Urine output

• Uremic complications

• Overall health

• Whether kidney function is stable or declining

Therefore, a patient should not assume that dialysis is automatically required solely because of one creatinine or eGFR result.

What Happens When the Kidneys Stop Working Properly?

As kidney filtration becomes severely reduced, substances that would normally be removed through urine can accumulate in the bloodstream.

Excess salt and water may also remain in the body.

This can contribute to:

• Swelling

• Breathlessness

• Nausea

• Loss of appetite

• Itching

• Fatigue

• Muscle cramps

• Changes in urine output

• Difficulty concentrating

• Confusion in severe cases

Symptoms can develop gradually, and some people may not recognize how significantly kidney function has declined until laboratory testing reveals the problem.

Common Symptoms of Complete Kidney Failure

Severe kidney dysfunction can affect several parts of the body.

Swelling of the Feet and Legs

Fluid retention may cause swelling around the:

• Ankles

• Feet

• Lower legs

• Hands

• Face

Worsening generalized swelling can indicate increasing fluid accumulation.

Reduced Urine Output

Some people with advanced kidney failure produce considerably less urine.

However, urine production can vary, and making urine does not necessarily mean that kidney filtration is adequate.

Breathlessness

Excess fluid can accumulate in the body and, in severe cases, contribute to breathing difficulty.

Breathlessness in a person with advanced kidney disease requires medical assessment because heart and lung conditions can also contribute.

Nausea and Poor Appetite

Waste accumulation can cause:

• Nausea

• Vomiting

• Poor appetite

• Changes in taste

• Unintentional weight loss

Persistent Fatigue

Kidney failure can contribute to anemia and other metabolic abnormalities, which may cause weakness and reduced energy.

Itching

Persistent itching can occur in advanced kidney disease. Changes in mineral metabolism, dry skin and other factors may contribute.

Muscle Cramps and Weakness

Electrolyte and mineral disturbances may contribute to muscle symptoms.

Confusion or Difficulty Concentrating

Severe accumulation of waste products can affect the nervous system and cause confusion or problems with concentration.

What Causes Complete Kidney Failure?

Kidney failure can develop gradually over years or occur more rapidly in severe acute kidney injury.

Diabetes

Diabetes is an important cause of chronic kidney disease.

Long-standing high blood glucose can damage the kidney's filtering structures and progressively reduce kidney function.

High Blood Pressure

Persistent hypertension can damage kidney blood vessels and accelerate chronic kidney disease.

Glomerular Diseases

Diseases affecting the kidney's filtering units can cause:

• Proteinuria

• Blood in urine

• Swelling

• High blood pressure

• Progressive loss of kidney function

Some glomerular diseases can progress to kidney failure if not adequately controlled.

Polycystic Kidney Disease

Inherited kidney disorders such as autosomal dominant polycystic kidney disease can progressively reduce kidney function in some patients.

Recurrent Obstruction

Repeated or prolonged urinary obstruction caused by stones, strictures, prostate enlargement or other conditions can damage the kidneys.

Repeated Acute Kidney Injury

Severe episodes of acute kidney injury can sometimes cause permanent kidney damage, particularly when recovery is incomplete or repeated injury occurs.

Autoimmune and Other Kidney Diseases

Lupus nephritis, vasculitis and other inflammatory or autoimmune diseases can damage kidney tissue.

Other Causes

Medication-related injury, inherited diseases, severe infections and other medical conditions can also contribute to kidney failure.

Identifying the cause is important because treatment may differ substantially between patients.

Can Complete Kidney Failure Happen Suddenly?

Yes, but this needs to be distinguished from acute kidney injury (AKI).

A sudden and severe decline in kidney function can occur because of:

• Severe dehydration

• Very low blood pressure

• Sepsis

• Major blood loss

• Certain medicines or toxins

• Severe infection

• Urinary obstruction

• Other serious illnesses

Some forms of severe AKI can recover partially or substantially when the underlying cause is treated.

Therefore, a sudden rise in creatinine should not automatically be labelled permanent or irreversible kidney failure.

Can Complete Kidney Failure Be Reversed?

The answer depends on the cause.

Acute Kidney Injury

Some severe acute kidney injuries can improve after treatment.

A patient may temporarily need dialysis while the kidneys recover.

Established Chronic Kidney Failure

Advanced chronic kidney damage is generally not reversed simply by taking medicines or changing the diet.

Treatment instead focuses on:

• Managing complications

• Preserving remaining kidney function when possible

• Controlling blood pressure

• Managing diabetes

• Treating anemia and mineral abnormalities

• Managing fluid balance

• Planning appropriate kidney replacement therapy

The distinction between potentially reversible acute injury and established chronic kidney failure is therefore extremely important.

How Is Complete Kidney Failure Diagnosed?

A diagnosis requires more than one symptom.

Blood Tests

Doctors may assess:

• Serum creatinine

• eGFR

• Blood urea

• Potassium

• Sodium

• Bicarbonate

• Calcium

• Phosphorus

• Hemoglobin

• Albumin

These tests help identify reduced filtration and complications associated with advanced kidney disease.

Urine Testing

Depending on the situation, testing may include:

• Urinalysis

• Urine protein

• Urine albumin

• Urine albumin-to-creatinine ratio

• Urine culture when infection is suspected

Blood Pressure

Blood pressure is an important part of advanced kidney disease assessment.

Imaging

Ultrasound or other imaging may be used to assess:

• Kidney size

• Structural abnormalities

• Urinary obstruction

• Stones

• Cysts

• Other possible causes

Additional Investigations

If the cause of kidney disease remains unclear, further testing may include immunological investigations, genetic testing or kidney biopsy in selected patients.

When Does Kidney Failure Require Dialysis?

Dialysis may be needed when severely impaired kidneys cannot adequately maintain the body's internal environment and complications cannot be controlled through medical treatment.

Potential indications can include:

• Severe fluid overload

• Dangerous potassium abnormalities

• Significant metabolic acidosis

• Uremic complications

• Severe symptoms caused by kidney failure

• Certain toxin or medication poisonings

The decision is individualized rather than based on a single creatinine value.

Early education about kidney replacement options can be valuable when kidney function reaches the kidney-failure range.

What Is Hemodialysis?

Hemodialysis uses a dialysis machine and a special filter called a dialyzer to remove waste products and excess fluid from the blood.

Blood passes through the dialyzer and is returned to the body after filtration.

Hemodialysis can be performed in a dialysis center or, for selected patients, at home.

For patients preparing for long-term hemodialysis, vascular access planning is an important part of treatment preparation.

What Is Peritoneal Dialysis?

Peritoneal dialysis uses the lining of the abdomen, called the peritoneum, as a natural filtering membrane.

Dialysis solution is introduced into the abdominal cavity through a catheter. The solution absorbs waste products and excess fluid before being drained and replaced.

Peritoneal dialysis can allow selected patients to perform treatment at home.

The choice between hemodialysis and peritoneal dialysis depends on medical suitability, lifestyle, home circumstances and patient preference.

Is Kidney Transplantation an Option?

For appropriately selected patients with kidney failure, kidney transplantation can provide functioning kidney tissue that performs filtration and other essential kidney functions.

A transplant kidney may come from a living or deceased donor.

Transplantation is not suitable for everyone, so patients require a detailed medical evaluation before being considered.

After transplantation, lifelong anti-rejection medicines are required to reduce the risk of rejection.

Does Kidney Failure Always Mean Dialysis for Life?

No.

The answer depends on whether kidney failure is caused by an acute or chronic condition.

A patient with severe AKI may require dialysis temporarily while kidney function recovers.

In established chronic kidney failure, long-term dialysis may be necessary unless a kidney transplant or another appropriate treatment becomes available.

Some patients may also choose conservative kidney management, in which treatment focuses on symptom control, quality of life and management of complications without dialysis or transplantation.

What Is Conservative Management of Kidney Failure?

Conservative management is a medically supported approach for people who choose not to receive dialysis or transplantation or for whom these treatments may not be appropriate.

The focus can include:

• Controlling symptoms

• Managing anemia

• Managing fluid and electrolyte problems

• Supporting nutrition

• Maintaining quality of life

• Managing other medical conditions

• Providing psychological and family support

This approach does not restore failed kidney function, but it can provide comprehensive supportive care for selected patients.

How Can Advanced Kidney Failure Be Managed?

Treatment involves more than dialysis alone.

A nephrologist may manage:

Blood Pressure

Appropriate blood-pressure control can help reduce cardiovascular complications and protect remaining kidney function where possible.

Diabetes

People with diabetes and kidney disease may need individualized glucose targets and kidney-protective treatment.

Anemia

Advanced kidney disease can reduce erythropoietin production and contribute to anemia. Treatment may include iron or other therapies depending on laboratory results and the underlying cause.

Mineral and Bone Abnormalities

Reduced kidney function can disturb calcium, phosphorus and parathyroid hormone regulation.

These abnormalities may require dietary changes and prescribed medicines.

Fluid Balance

Fluid and sodium intake may need to be individualized, particularly when swelling or reduced urine output is present.

Nutrition

People with kidney failure may require an individualized renal nutrition plan rather than simply eliminating protein or other food groups.

What Should a Person With Complete Kidney Failure Avoid?

There is no single list that applies to every patient.

However, people with advanced kidney disease should avoid making major changes without professional guidance.

Be particularly cautious about:

• Unprescribed painkillers

• Herbal kidney remedies

• Unverified supplements

• Excessive fluid intake

• High-sodium foods

• Over-the-counter medicines that have not been reviewed

• Stopping prescribed medicines independently

Medication and diet requirements depend on kidney function, dialysis status, potassium, phosphorus, fluid balance and other health conditions.

Can Someone Live With Complete Kidney Failure?

Yes, but advanced kidney failure requires ongoing medical care.

Modern kidney replacement therapies allow many patients to continue living, working, spending time with family and maintaining daily activities.

Outcomes vary considerably depending on:

• Age

• Cause of kidney failure

• Heart health

• Diabetes

• Nutrition

• Other medical conditions

• Dialysis adherence

• Transplant eligibility

• Overall functional status

There is therefore no single life-expectancy figure that applies to everyone with kidney failure.

When Is Complete Kidney Failure an Emergency?

Seek urgent medical attention if a person with severe kidney disease develops:

• Severe breathlessness

• Chest pain

• Confusion

• Very little or no urine

• Rapidly increasing swelling

• Persistent vomiting

• Severe weakness

• Fainting

• Severe electrolyte-related symptoms

• Sudden deterioration in health

These symptoms may indicate fluid overload, electrolyte abnormalities, uremic complications or another serious medical problem.

Planning Ahead for Kidney Replacement Therapy

Patients with progressive kidney disease benefit from discussing treatment options before an emergency occurs.

Planning may include:

• Learning about hemodialysis

• Understanding peritoneal dialysis

• Discussing vascular access

• Considering kidney transplantation

• Evaluating living-donor options when appropriate

• Reviewing medications

• Meeting a renal dietitian

• Discussing conservative kidney management when appropriate

Early preparation can reduce the likelihood of having to start dialysis unexpectedly.

Complete Kidney Failure Care at Prabhakar Bhurke Clinic

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, super specialist nephrologist and transplant physician, provides individualized evaluation and management for advanced kidney disease and kidney failure.

Depending on the patient's condition, care may include:

• Assessment of advanced CKD

• Evaluation of kidney-function trends

• Investigation of the cause of kidney failure

• Management of fluid and electrolyte abnormalities

• Anemia and mineral-bone disorder management

• Dialysis assessment and planning

• Hemodialysis-related care

• Peritoneal dialysis-related evaluation

• Kidney transplant assessment

• Long-term monitoring

• Supportive and conservative kidney management when appropriate

Treatment decisions are based on the patient's medical condition, laboratory results, symptoms and treatment goals.

Frequently Asked Questions

What is complete kidney failure?

Complete kidney failure is a commonly used term for severe loss of kidney function. Medically, kidney failure generally refers to kidney function below about 15% of normal, although the patient's symptoms and complications are also important.

What are the symptoms of complete kidney failure?

Symptoms may include swelling, reduced urine output, fatigue, nausea, poor appetite, itching, muscle cramps, weakness, breathlessness and confusion. Not everyone experiences the same symptoms.

Can complete kidney failure be cured?

Established chronic kidney failure cannot usually be reversed with medicines alone. Treatment focuses on managing complications and replacing lost kidney function through dialysis or transplantation when appropriate.

Does complete kidney failure always require dialysis?

Not necessarily. Dialysis may be required when complications cannot be adequately controlled by medical treatment. Patients with severe acute kidney injury may need temporary dialysis, while selected patients may receive a transplant or conservative management.

Can kidneys start working again after failure?

If the problem is severe acute kidney injury, kidney function may recover partially or substantially after treatment. Established chronic kidney failure is generally different and usually requires long-term kidney replacement planning.

What is the difference between dialysis and kidney transplant?

Dialysis removes waste and excess fluid from the blood or through the peritoneum. A kidney transplant places a functioning donor kidney into the body. Both are treatments for kidney failure, but transplantation is not suitable for every patient.

Can a person with kidney failure live without dialysis?

Some selected patients may receive conservative kidney management instead of dialysis or transplant. This is an individualized medical decision focused on symptom control and quality of life.

Conclusion

Complete kidney failure refers to severe loss of kidney function in which the kidneys can no longer adequately perform their essential filtration and regulatory functions.

Symptoms may include swelling, reduced urine, fatigue, nausea, itching, muscle cramps, poor appetite, breathlessness and changes in mental alertness. However, symptoms alone cannot determine the severity or cause of kidney failure.

When kidney function reaches the kidney-failure range, patients and families should discuss available options early. Depending on the individual situation, treatment may include hemodialysis, peritoneal dialysis, kidney transplantation or conservative kidney management.

If you or a family member has severely reduced kidney function, timely nephrology assessment can help clarify the cause, manage complications and plan the most appropriate next steps.

For specialist kidney-failure and transplant-related care, consult Dr. Sandip Prabhakar Bhurke at Prabhakar Bhurke Clinic.

Medical Disclaimer

This article is intended for general educational and informational purposes only and should not be considered a substitute for medical diagnosis, treatment or individualized medical advice. “Complete kidney failure” is a commonly used term and does not by itself describe every patient's exact medical condition. Kidney failure may result from chronic kidney disease or severe acute kidney injury, and treatment depends on the cause, kidney function, symptoms, laboratory findings and overall health. Dialysis is not started solely because of one creatinine or eGFR value. Do not start, stop or change medicines, fluid intake, diet or dialysis treatment based solely on this article. Seek urgent medical attention for severe breathlessness, chest pain, confusion, very little or no urine, rapidly increasing swelling, persistent vomiting or sudden deterioration in health. Consult Dr. Sandip Prabhakar Bhurke or another qualified nephrologist for personalized assessment and treatment.